289688630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1$

素因数の和:19845

約数の個数: 64

約数和(自身を含む): 684357120

約数和(自身を除く): 394668490

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 7315, 14630, 19801, 39602, 99005, 138607, 198010, 217811, 277214, 376219, 435622, 693035, 752438, 1089055, 1386070, 1524677, 1881095, 2178110, 2633533, 3049354, 3762190, 4138409, 5267066, 7623385, 8276818, 13167665, 15246770, 20692045, 26335330, 28968863, 41384090, 57937726, 144844315, 289688630]

約数ペア:

[(1, 289688630), (2, 144844315), (5, 57937726), (7, 41384090), (10, 28968863), (11, 26335330), (14, 20692045), (19, 15246770), (22, 13167665), (35, 8276818), (38, 7623385), (55, 5267066), (70, 4138409), (77, 3762190), (95, 3049354), (110, 2633533), (133, 2178110), (154, 1881095), (190, 1524677), (209, 1386070), (266, 1089055), (385, 752438), (418, 693035), (665, 435622), (770, 376219), (1045, 277214), (1330, 217811), (1463, 198010), (2090, 138607), (2926, 99005), (7315, 39602), (14630, 19801)]